Texas Instruments

MC33063ADR  

DC Switching Voltage Regulators

The Texas Instruments MC33063ADR is a highly-integrated, step-down switching regulator controller designed for use in a wide range of battery-powered applications. It is specifically designed to provide efficient and reliable power conversion for portable electronic devices, such as smartphones, tablets, wearables, and other mobile devices.

Description:

The MC33063ADR is a step-down (buck) converter that can operate with input voltages ranging from 3V to 40V. It features a fixed 5V output, making it suitable for powering a variety of 5V devices. The device is available in a compact 20-pin QFN package, which makes it ideal for space-constrained applications.

Features:

1. Wide input voltage range: 3V to 40V
2. Fixed 5V output voltage
3. High efficiency: up to 95% depending on the input voltage and load conditions
4. Low quiescent current: typically 45µA in normal operation mode, and 2.5µA in standby mode
5. Integrated power MOSFETs for the high-side and low-side switches
6. Programmable soft-start and burst mode operation for improved efficiency and reduced EMI
7. Over-current protection, over-temperature protection, and under-voltage lockout
8. Small form factor: available in a 20-pin QFN package
9. Wide operating temperature range: -40°C to 125°C

Applications:

1. Mobile devices: smartphones, tablets, and wearables
2. Portable media players and gaming devices
3. Bluetooth headsets and wireless accessories
4. PDAs and handheld GPS devices
5. Portable medical devices and health monitors
6. Personal navigation devices (PNDs)
7. Portable industrial equipment and instrumentation
8. Any other battery-powered applications requiring a regulated 5V output

The MC33063ADR is a versatile and efficient step-down regulator that can be easily integrated into a wide range of battery-powered devices. Its compact size, high efficiency, and robust protection features make it an ideal choice for designers looking to optimize power management in their portable electronic products.

MC33063ADR Documents

Download datasheets and manufacturer documentation for MC33063ADR

PCN Assembly/Origin :

Assembly/Test Site Update 16/Mar/2015      

Datasheets :

MC33063A,34063A      

HTML Datasheet :

MC33063A,34063A      

PCN Design/Specification :

MC33063ADR 19/Apr/2023       Design 25/Feb/2022